HDD swivel is used in the second stage of horizontal directional drilling project. The swivels can be attached to the ends of the rods or the center.
HDD pull-back swivel must be able to bear both the pull strength imposed by pull-back actions and swivel strength and side-load resulted from rock or other conditions . Bearings of the swivel joints here at our company are suitable for absorbing thrust and radial Load. Our HDD swivel joints adopt specially designed sealing elements , which can prevent an early failure of bearings resulted from entry of dirt into the bearings. The pull-back swivel joints here at our company are available to undertake mud, dirt and any other underground objects and they are easy for maintenance.
Features of the Swivels:
1. Adopt high quality Forged alloy steel and bearings , such as SKF NSK, TIMKEN etc;
2. Longer service Life and greatly reduce construction risks;
3 . It is easy for dismantle and maintenance.
Specification For Double Pull Plate Pulling Swivels:
| Specification |
Length (mm) |
Diameter (mm) |
Pin Diameter (mm) |
Pull Board Spacing (mm) |
| 5T |
330 |
114 |
24 |
32 |
| 10T |
330 |
114 |
24 |
32 |
| 20T |
412 |
125 |
30 |
32 |
| 25T |
476 |
144 |
38 |
45 |
| 30T |
476 |
144 |
38 |
45 |
| 35T |
482 |
144 |
38 |
45 |
| 40T |
516 |
155 |
46 |
46 |
| 45T |
507 |
168 |
45 |
47 |
| 50T |
606 |
168 |
50 |
51 |
| 60T |
705 |
195 |
56 |
62 |
Specification For Single Pull Plate Pulling Swivels:
| Specification |
Length (mm) |
Diameter (mm) |
Pin Diameter (mm) |
Pull Board Spacing (mm) |
| 60T |
785 |
195 |
73 |
70 |
| 80T |
852 |
243 |
80 |
100 |
| 100T |
895 |
299 |
95 |
120 |
| 120T |
895 |
299 |
95 |
120 |
| 150T |
1015 |
323 |
105 |
130 |
| 200T |
1157 |
400 |
115 |
135 |
| 250T |
1157 |
400 |
115 |
135 |
| 300T |
1353 |
457 |
135 |
180 |
| 400T |
1553 |
507 |
155 |
230 |
| 600T |
1753 |
557 |
185 |
280 |
